| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 12 |
9.4%
|
| 2 | Every few weeks | 42 |
33.1%
|
| 3 | Every few months | 52 |
40.9%
|
| 4 | Not at all | 21 |
16.5%
|
| Sysmiss | 39 |